diff options
Diffstat (limited to 'arch/arm/mach-pxa/littleton.c')
| -rw-r--r-- | arch/arm/mach-pxa/littleton.c | 291 |
1 files changed, 123 insertions, 168 deletions
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c index 530654474bb2..b4d00aba0e31 100644 --- a/arch/arm/mach-pxa/littleton.c +++ b/arch/arm/mach-pxa/littleton.c @@ -20,25 +20,29 @@ #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/spi/spi.h> +#include <linux/smc91x.h> #include <asm/types.h> #include <asm/setup.h> #include <asm/memory.h> #include <asm/mach-types.h> -#include <asm/hardware.h> +#include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <asm/arch/pxa-regs.h> -#include <asm/arch/mfp-pxa300.h> -#include <asm/arch/gpio.h> -#include <asm/arch/pxafb.h> -#include <asm/arch/ssp.h> -#include <asm/arch/pxa27x_keypad.h> -#include <asm/arch/littleton.h> +#include <mach/pxa-regs.h> +#include <mach/mfp-pxa300.h> +#include <mach/gpio.h> +#include <mach/pxafb.h> +#include <mach/ssp.h> +#include <mach/pxa2xx_spi.h> +#include <mach/pxa27x_keypad.h> +#include <mach/pxa3xx_nand.h> +#include <mach/littleton.h> #include "generic.h" @@ -70,8 +74,8 @@ static mfp_cfg_t littleton_mfp_cfg[] __initdata = { /* SSP2 */ GPIO25_SSP2_SCLK, - GPIO17_SSP2_FRM, GPIO27_SSP2_TXD, + GPIO17_GPIO, /* SFRM as chip-select */ /* Debug Ethernet */ GPIO90_GPIO, @@ -101,172 +105,26 @@ static struct resource smc91x_resources[] = { [1] = { .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)), .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)), - .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, } }; +static struct smc91x_platdata littleton_smc91x_info = { + .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | + SMC91X_NOWAIT | SMC91X_USE_DMA, +}; + static struct platform_device smc91x_device = { .name = "smc91x", .id = 0, .num_resources = ARRAY_SIZE(smc91x_resources), .resource = smc91x_resources, + .dev = { + .platform_data = &littleton_smc91x_info, + }, }; -#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULES) -/* use bit 30, 31 as the indicator of command parameter number */ -#define CMD0(x) ((0x00000000) | ((x) << 9)) -#define CMD1(x, x1) ((0x40000000) | ((x) << 9) | 0x100 | (x1)) -#define CMD2(x, x1, x2) ((0x80000000) | ((x) << 18) | 0x20000 |\ - ((x1) << 9) | 0x100 | (x2)) - -static uint32_t lcd_panel_reset[] = { - CMD0(0x1), /* reset */ - CMD0(0x0), /* nop */ - CMD0(0x0), /* nop */ - CMD0(0x0), /* nop */ -}; - -static uint32_t lcd_panel_on[] = { - CMD0(0x29), /* Display ON */ - CMD2(0xB8, 0xFF, 0xF9), /* Output Control */ - CMD0(0x11), /* Sleep out */ - CMD1(0xB0, 0x16), /* Wake */ -}; - -static uint32_t lcd_panel_off[] = { - CMD0(0x28), /* Display OFF */ - CMD2(0xB8, 0x80, 0x02), /* Output Control */ - CMD0(0x10), /* Sleep in */ - CMD1(0xB0, 0x00), /* Deep stand by in */ -}; - -static uint32_t lcd_vga_pass_through[] = { - CMD1(0xB0, 0x16), - CMD1(0xBC, 0x80), - CMD1(0xE1, 0x00), - CMD1(0x36, 0x50), - CMD1(0x3B, 0x00), -}; - -static uint32_t lcd_qvga_pass_through[] = { - CMD1(0xB0, 0x16), - CMD1(0xBC, 0x81), - CMD1(0xE1, 0x00), - CMD1(0x36, 0x50), - CMD1(0x3B, 0x22), -}; - -static uint32_t lcd_vga_transfer[] = { - CMD1(0xcf, 0x02), /* Blanking period control (1) */ - CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */ - CMD1(0xd1, 0x01), /* CKV timing control on/off */ - CMD2(0xd2, 0x14, 0x00), /* CKV 1,2 timing control */ - CMD2(0xd3, 0x1a, 0x0f), /* OEV timing control */ - CMD2(0xd4, 0x1f, 0xaf), /* ASW timing control (1) */ - CMD1(0xd5, 0x14), /* ASW timing control (2) */ - CMD0(0x21), /* Invert for normally black display */ - CMD0(0x29), /* Display on */ -}; - -static uint32_t lcd_qvga_transfer[] = { - CMD1(0xd6, 0x02), /* Blanking period control (1) */ - CMD2(0xd7, 0x08, 0x04), /* Blanking period control (2) */ - CMD1(0xd8, 0x01), /* CKV timing control on/off */ - CMD2(0xd9, 0x00, 0x08), /* CKV 1,2 timing control */ - CMD2(0xde, 0x05, 0x0a), /* OEV timing control */ - CMD2(0xdf, 0x0a, 0x19), /* ASW timing control (1) */ - CMD1(0xe0, 0x0a), /* ASW timing control (2) */ - CMD0(0x21), /* Invert for normally black display */ - CMD0(0x29), /* Display on */ -}; - -static uint32_t lcd_panel_config[] = { - CMD2(0xb8, 0xff, 0xf9), /* Output control */ - CMD0(0x11), /* sleep out */ - CMD1(0xba, 0x01), /* Display mode (1) */ - CMD1(0xbb, 0x00), /* Display mode (2) */ - CMD1(0x3a, 0x60), /* Display mode 18-bit RGB */ - CMD1(0xbf, 0x10), /* Drive system change control */ - CMD1(0xb1, 0x56), /* Booster operation setup */ - CMD1(0xb2, 0x33), /* Booster mode setup */ - CMD1(0xb3, 0x11), /* Booster frequency setup */ - CMD1(0xb4, 0x02), /* Op amp/system clock */ - CMD1(0xb5, 0x35), /* VCS voltage */ - CMD1(0xb6, 0x40), /* VCOM voltage */ - CMD1(0xb7, 0x03), /* External display signal */ - CMD1(0xbd, 0x00), /* ASW slew rate */ - CMD1(0xbe, 0x00), /* Dummy data for QuadData operation */ - CMD1(0xc0, 0x11), /* Sleep out FR count (A) */ - CMD1(0xc1, 0x11), /* Sleep out FR count (B) */ - CMD1(0xc2, 0x11), /* Sleep out FR count (C) */ - CMD2(0xc3, 0x20, 0x40), /* Sleep out FR count (D) */ - CMD2(0xc4, 0x60, 0xc0), /* Sleep out FR count (E) */ - CMD2(0xc5, 0x10, 0x20), /* Sleep out FR count (F) */ - CMD1(0xc6, 0xc0), /* Sleep out FR count (G) */ - CMD2(0xc7, 0x33, 0x43), /* Gamma 1 fine tuning (1) */ - CMD1(0xc8, 0x44), /* Gamma 1 fine tuning (2) */ - CMD1(0xc9, 0x33), /* Gamma 1 inclination adjustment */ - CMD1(0xca, 0x00), /* Gamma 1 blue offset adjustment */ - CMD2(0xec, 0x01, 0xf0), /* Horizontal clock cycles */ -}; - -static void ssp_reconfig(struct ssp_dev *dev, int nparam) -{ - static int last_nparam = -1; - - /* check if it is necessary to re-config SSP */ - if (nparam == last_nparam) - return; - - ssp_disable(dev); - ssp_config(dev, (nparam == 2) ? 0x0010058a : 0x00100581, 0x18, 0, 0); - - last_nparam = nparam; -} - -static void ssp_send_cmd(uint32_t *cmd, int num) -{ - static int ssp_initialized; - static struct ssp_dev ssp2; - - int i; - - if (!ssp_initialized) { - ssp_init(&ssp2, 2, SSP_NO_IRQ); - ssp_initialized = 1; - } - - clk_enable(ssp2.ssp->clk); - for (i = 0; i < num; i++, cmd++) { - ssp_reconfig(&ssp2, (*cmd >> 30) & 0x3); - ssp_write_word(&ssp2, *cmd & 0x3fffffff); - - /* FIXME: ssp_flush() is mandatory here to work */ - ssp_flush(&ssp2); - } - clk_disable(ssp2.ssp->clk); -} - -static void littleton_lcd_power(int on, struct fb_var_screeninfo *var) -{ - if (on) { - ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_on)); - ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_reset)); - if (var->xres > 240) { - /* VGA */ - ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_pass_through)); - ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config)); - ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_transfer)); - } else { - /* QVGA */ - ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_pass_through)); - ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config)); - ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_transfer)); - } - } else - ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_off)); -} - +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = { [0] = { /* VGA */ @@ -302,7 +160,6 @@ static struct pxafb_mach_info littleton_lcd_info = { .modes = tpo_tdo24mtea1_modes, .num_modes = 2, .lcd_conn = LCD_COLOR_TFT_16BPP, - .pxafb_lcd_power = littleton_lcd_power, }; static void littleton_init_lcd(void) @@ -311,9 +168,54 @@ static void littleton_init_lcd(void) } #else static inline void littleton_init_lcd(void) {}; -#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULES */ +#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ + +#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) +static struct pxa2xx_spi_master littleton_spi_info = { + .num_chipselect = 1, +}; + +static void littleton_tdo24m_cs(u32 cmd) +{ + gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT)); +} + +static struct pxa2xx_spi_chip littleton_tdo24m_chip = { + .rx_threshold = 1, + .tx_threshold = 1, + .cs_control = littleton_tdo24m_cs, +}; -#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULES) +static struct spi_board_info littleton_spi_devices[] __initdata = { + { + .modalias = "tdo24m", + .max_speed_hz = 1000000, + .bus_num = 2, + .chip_select = 0, + .controller_data= &littleton_tdo24m_chip, + }, +}; + +static void __init littleton_init_spi(void) +{ + int err; + + err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS"); + if (err) { + pr_warning("failed to request GPIO for LCS CS\n"); + return; + } + + gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1); + + pxa2xx_set_spi_info(2, &littleton_spi_info); + spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices)); +} +#else +static inline void littleton_init_spi(void) {} +#endif + +#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) static unsigned int littleton_matrix_key_map[] = { /* KEY(row, col, key_code) */ KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3), @@ -361,6 +263,57 @@ static void __init littleton_init_keypad(void) static inline void littleton_init_keypad(void) {} #endif +#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) +static struct mtd_partition littleton_nand_partitions[] = { + [0] = { + .name = "Bootloader", + .offset = 0, + .size = 0x060000, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + [1] = { + .name = "Kernel", + .offset = 0x060000, + .size = 0x200000, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + [2] = { + .name = "Filesystem", + .offset = 0x0260000, + .size = 0x3000000, /* 48M - rootfs */ + }, + [3] = { + .name = "MassStorage", + .offset = 0x3260000, + .size = 0x3d40000, + }, + [4] = { + .name = "BBT", + .offset = 0x6FA0000, + .size = 0x80000, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* NOTE: we reserve some blocks at the end of the NAND flash for + * bad block management, and the max number of relocation blocks + * differs on different platforms. Please take care with it when + * defining the partition table. + */ +}; + +static struct pxa3xx_nand_platform_data littleton_nand_info = { + .enable_arbiter = 1, + .parts = littleton_nand_partitions, + .nr_parts = ARRAY_SIZE(littleton_nand_partitions), +}; + +static void __init littleton_init_nand(void) +{ + pxa3xx_set_nand_info(&littleton_nand_info); +} +#else +static inline void littleton_init_nand(void) {} +#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */ + static void __init littleton_init(void) { /* initialize MFP configurations */ @@ -372,8 +325,10 @@ static void __init littleton_init(void) */ platform_device_register(&smc91x_device); + littleton_init_spi(); littleton_init_lcd(); littleton_init_keypad(); + littleton_init_nand(); } MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)") |